Implement help for riseup-vpn.bitmask-root

2 ~  » /snap/bin/riseup-vpn.bitmask-root --help 
bitmask-root: ERROR: must be run as root

1 ~  » sudo /snap/bin/riseup-vpn.bitmask-root --help
[sudo] password for varac: 
bitmask-root: ERROR: No such command
                                                                                                                                
1 ~  » sudo /snap/bin/riseup-vpn.bitmask-root -h    
bitmask-root: ERROR: No such command

1 ~  » sudo /snap/bin/riseup-vpn.bitmask-root help
bitmask-root: ERROR: No such command